CIRCOR International, Inc. engages in the business of designing, manufacturing, and marketing differentiated technology products and sub-systems for the defense markets. It operates under the Aerospace and Defense, and Industrial segments. The Aerospace and Defense segment is involved in the production of valves, pumps, electric motors, kinetic switches, high pressure pneumatic regulators and subsystems, and electromechanical assemblies. The Industrial segment includes positive displacement pumps, specialty centrifugal pumps, metering pumps, automatic recirculating valves, and control valves for mission critical applications. The company was founded in 1999 and is headquartered in Burlington, MA.